174results about How to "Guarantee the construction quality" patented technology

The utility model provides an air bag device for construction of a cross-fault tunnel foam concrete buffer layer. The air bag device comprises an inflatable flexible air bag, a first annular closed steel formwork and a second annular closed steel formwork. The first annular closed steel formwork and the second annular closed steel formwork are arranged at the two ends of the inflatable flexible air bag. An inflation connector is arranged at one end of the inflatable flexible air bag, and a first filling pipeline and a second filling pipeline are arranged on the first annular closed steel formwork and the second annular closed steel formwork. The construction efficiency is remarkably improved on the premise of not losing the shock absorption and isolation performance of the foam concrete, one-time forming is achieved, the construction quality is guaranteed, and the cost is saved; in addition, due to the reusable characteristic of the air bag device, the construction cost is further reduced, and the problems that in a traditional construction method, efficiency is low, the seismic mitigation and isolation performance of the expanded excavation section foam concrete buffer layer is difficult to guarantee, and cost is high are solved.

The utility model discloses a self-stress compensation type ultra-long concrete anti-crack supporting device, and belongs to the technical field of supporting devices, the self-stress compensation type ultra-long concrete anti-crack supporting device comprises a bottom plate, and an H-shaped steel frame is arranged above the bottom plate; the fixing cylinders and the telescopic rods are arranged to form the telescopic supporting legs, the two telescopic supporting legs form a main body supporting system, the main body supporting system is matched with the rigid supporting characteristic of the H-shaped steel frame to effectively disperse the load during concrete pouring, the supporting mechanisms are arranged, and therefore the telescopic rods can synchronously support the two sides of the H-shaped steel frame, and the concrete pouring efficiency is improved. The two telescopic rods are fixedly connected together through the cross beam to form a whole, so that the hydraulic jacking mechanism drives the cross beam to achieve height adjustment of the main body supporting system, accurate control is achieved, stress uniformity is guaranteed, and the stability of the supporting system is improved. And the situation that self-stress distribution in the structure is changed due to uneven stress before the concrete structure is not completely hardened is avoided, the construction quality is ensured, and cracks are prevented.

The invention relates to the technical field of underground building foundation reinforcement and leakage prevention, in particular to an underground building foundation reinforcement and leakage prevention integrated device and method.The device comprises a movable rack, and a jolt ramming mechanism and an air drying mechanism are installed on the movable rack; the primarily-coated coating is impacted and compacted through the first compaction block and the second compaction block, the waterproof coating is powerfully pressed into holes in the inner wall of the foundation pit, a deeply-fused tight bonding layer is formed, and the interface bonding force and adhesive force between the waterproof coating and the inner wall of the foundation pit are greatly enhanced in the process; and the defect of insufficient bonding strength in the prior art is effectively overcome, so that the phenomena of peeling, cracking and overall falling of the waterproof coating in the later period are fundamentally prevented.

The utility model discloses a simple rubber waterstop connecting structure which comprises a connecting structure body used for being connected to the combination portion of a first waterstop plate and a second waterstop plate, and the connecting structure body comprises a supporting table arranged at the connecting end of the first waterstop plate in an extending mode; the lapping plate is arranged at the connecting end of the second water stop plate in an extending manner, is connected to the upper part of the supporting table and is used for connecting the first water stop plate and the second water stop plate into a whole; the connecting piece is connected to the connecting end of the first water stop plate and the connecting end of the second water stop plate and used for stably connecting the first water stop plate and the second water stop plate together. The rubber waterstop is simple in structure and novel and reasonable in design, the two adjacent rubber waterstops are tightly connected, the problems that after the rubber waterstops are installed, the joint portion possibly falls off, sealing is not tight and the like can be effectively prevented, meanwhile, the connecting pieces can ensure that the joint portion is tightly attached to the surrounding area, a good sealing effect is achieved, and the service life of the rubber waterstops is prolonged. And moisture permeation is effectively prevented.

The application provides a tunnel assembly type groove structure and a fastening method thereof. The groove structure comprises a groove one and a groove two. The groove one is provided with an L-shaped slot on one side top and a side wall to be cast in situ after the precast groove is installed. A middle partition wall is located between the groove one and the groove two, and the groove one and the groove two share the middle partition wall. The bottom plate of the groove structure is provided with a horizontal third trapezoidal slot in the width direction at both ends. The middle partition wall is provided with a first trapezoidal slot in the vertical direction at both ends. The side wall of the groove two is provided with a second trapezoidal slot in the vertical direction at both ends. The wall body of the middle partition wall is provided with a concrete rib, and the concrete rib is provided with a channel steel hole. The groove structure is provided with a pulling hole on the middle partition wall. The bottom plate of the groove structure, the groove two and the middle partition wall form a stop word shape structure. The application has the advantages of simple structure, easy implementation, improved standardization level of the tunnel precast installation groove, and reduced misalignment problem between adjacent precast components.

The utility model belongs to the field of construction sites, and particularly relates to a waterproof roll paving device which comprises a cart, a supporting frame is upwards arranged on the front portion of a bottom frame of the cart, a hopper is arranged on the supporting frame, a discharging opening is formed in the bottom face of the hopper, a rotating rod is arranged at the position of the discharging opening, one end of the rotating rod penetrates through the hopper to be connected with a motor, and the motor is fixed to the bottom frame. A supporting rod is arranged on the bottom frame, a waterproof roll cylinder is sleeved on the supporting rod, and a compression roller is backwards hinged to the tail part of the bottom frame. According to the device, the waterproof roll can be laid while the slurry is sprayed, the construction efficiency is improved, the rotating rod is arranged at the discharging opening of the hopper, uneven discharging is prevented, meanwhile, the slurry is prevented from being accumulated at the discharging opening, the bonding slurry can be evenly sprayed to a base layer, and the construction quality of the waterproof roll is guaranteed.

This invention belongs to the field of engineering machinery technology and relates to a construction method for a variable-diameter drilling and reaming integrated pile driver. It solves the problem that existing drilling and reaming integrated pile drivers cannot change diameter. The construction method is based on a variable-diameter drilling and reaming integrated pile driver, which includes an active pipe, a driven pipe, an upper wing plate seat, a lower wing plate seat, and a reaming arm. The reaming arm is formed by connecting an upper wing plate and a lower wing plate. The upper wing plate is formed by connecting an upper wing plate and an upper wing plate link, and the lower wing plate is formed by connecting a lower wing plate and a lower wing plate link. The construction method determines the length of the reaming arm to be connected by adjusting the position of the upper wing plate seat on the gear key and the position of the lower wing plate seat on the driven pipe. Then, it adaptively adjusts the number of wing plate link connections. Through the coordinated cooperation between the components, it achieves reaming operations for different pile diameters, angles, and sizes, which is simple, convenient, and greatly improves construction efficiency.

The utility model belongs to reinforcing steel bar conveying technical field discloses a conveying device, including conveying subassembly and shift subassembly, conveying subassembly includes conveying drive mechanism, conveying spare and positioning portion, conveying drive mechanism can drive conveying spare along first direction removal, can push material removal when conveying spare removal, positioning portion sets up in conveying spare second direction's one side, first direction and second direction are at the angle setting, shift subassembly includes shift drive mechanism and shift spare, and shift spare installs in the output end of shift drive mechanism, when conveying spare of conveying subassembly passes through shift spare, shift spare can take material along second direction removal and abut on positioning portion. In the utility model, conveying subassembly is used for conveying material along first direction normally, and shift subassembly is used for shifting material in second direction alignment, avoids the scattered disorderly of output material in second direction, thereby does not need to take device and positions the clamping of taking device, makes the clamping jaw movement positioning process of taking device simple.

The application discloses a kind of steel box-core concrete combined cable tower construction methods, comprising the following steps: S1, the steel structure shell of steel-concrete combined section is divided into multiple steel tower blocks along vertical direction;Standard section is divided into core block and the side block of two sides;S2, hoist first section steel tower block, after installing formwork and reinforcement in steel tower block, fill concrete;S3, repeat the step S2 until the construction of steel-concrete combined section is completed;S4, hoist the core block of first section standard section on steel-concrete combined section, then hoist the side block of two sides in turn;After hoisting is completed, horizontal weld between core block, vertical weld between core block and the side block of two sides, horizontal weld between section are welded in turn;S5, after installing reinforcement in core block, pour concrete;S6, repeat the step S4-S5 until the construction of all remaining standard sections is completed.The application gives a complete and efficient steel box-core concrete combined cable tower construction method, which effectively guarantees the construction quality of cable tower.

The utility model relates to the technical field of photovoltaic engineering cast-in-place pile bolt positioning, in particular to a folding adjustable photovoltaic engineering cast-in-place pile embedded bolt positioning tool which comprises a U-shaped bolt, a spacing frame and a fixing assembly. Two sets of spacing frames are arranged on the outer side of the U-shaped bolt, a connecting rod is arranged on one side of each spacing frame, a screw is arranged above the spacing frames, a rocking handle is arranged on one side of the screw, a fixing frame is arranged on the outer side of the screw, a limiting shaft is arranged on one side of the fixing frame, scales are arranged on the surface of the limiting shaft, and a sliding block is arranged on the outer side of the screw. The sliding block is located at the upper end of the spacing frame. The limiting shaft penetrates through the sliding block. According to the utility model, the universality is high aiming at different pile types, and the parallelism and spacing of the embedded parts can be controlled, so that in the working process, an operator does not need to continuously measure and adjust the angle and spacing of the embedded bolts by using a measuring tape, the construction quality of the embedded bolts is ensured, the construction efficiency is greatly improved, and the consumption of human resources is reduced.

The application discloses a supporting structure of a fabricated laminated slab and a construction method thereof, and comprises a plurality of horizontally arranged horizontal rods and vertically arranged vertical rods, wherein the horizontal rods comprise X-axis rods and Y-axis rods which are perpendicular to each other and form a three-axis system perpendicular to the vertical rods along a Z-axis; a component is arranged at the intersection of each node to connect the vertical rod and the horizontal rod; each vertical rod is provided with a top support which is adjustably connected to the top of the vertical rod; and each top support is connected with an adjacent top support through a horizontal rod. The top support and the component are used as the node connecting piece, the overall stability of the formwork supporting system is improved, the arrangement of the horizontal rods is reduced, the specifications of the supporting rods and the connecting pieces are unified on the basis of meeting the vertical bearing capacity and the overall stability, the number of the rods is reduced, the construction efficiency is improved, and the materials are saved while the construction quality is ensured.

The utility model discloses a safety supporting structure of a steel mould for edge supporting of highway engineering, which comprises a steel mould main body, a first positioning seat is welded at one end in the steel mould main body, a two-way screw rod is arranged in the first positioning seat, and the top end of the two-way screw rod extends to the upper part of the first positioning seat and is fixedly provided with a hexagonal thread head; the outer walls of the top and the bottom of the bidirectional lead screw are sleeved with movable blocks, the movable blocks are in threaded engagement with the bidirectional lead screw, one end of each movable block extends out of the first positioning base and is welded with a locking block, a second positioning base is welded to the other end in the steel die body, and a rectangular groove is formed in the second positioning base. Positioning clamping grooves are formed in the two sides of the rectangular groove, and a positioning plate is welded to one side of the bottom of the steel die body. According to the utility model, the steel mould main bodies can be conveniently spliced and fixed, so that the steel mould main bodies cannot be staggered, the integrality is high, and the construction quality is guaranteed.

A rapid-moving lining trolley for tunnel sidewall lining includes a dump truck. A mounting plate is vertically installed on the side of the dump truck's cargo box, and steel formwork is connected to the mounting plate via an automatic telescopic rod matrix. This invention utilizes hydraulic rods in conjunction with the steel formwork structure to form a stable support, effectively resisting construction vibrations and ensuring structural stability during concrete pouring, thus guaranteeing construction quality and safety. This invention, through modification of a conventional dump truck, allows for convenient on-site relocation and rapid deployment to unstable rock sections such as shallowly buried tunnel sections, weak and fractured zones, and fault zones. Especially in areas with a risk of sudden collapse, it can respond quickly and arrive at the work location promptly to carry out reinforcement work, exhibiting strong adaptability and high mobility.

The utility model provides a bathroom hanging mould detachable shaping reinforcement device belongs to bathroom hanging mould construction technical field, this bathroom hanging mould detachable shaping reinforcement device includes the rod body and sets up the positioning spare at the both ends of rod body, the rod body includes fixed rod and movable rod, and the one end fixed connection of movable rod is close to fixed rod has inserted rod, and inserted rod can insert the inside of fixed rod, and is provided with adjusting assembly between fixed rod and movable rod, the positioning spare includes mounting panel, first bracing piece and second bracing piece, and the one end of mounting panel is provided with the connecting block, and second bracing piece sets up at the bottom of connecting block, and first bracing piece sets up at the bottom of mounting panel, this device cooperates between telescopic rod body and positioning spare, after construction is completed, and the device can dismantle fast and save strength, solves the problem that traditional plank reinforcing mode dismantles difficultly, and the material is easily damaged, can adapt to the bathroom of different bay size, effectively saves construction cost.

The disclosed urban rail transit thin-wall mixed U-shaped beam industrial construction method and construction system carries out the construction of U-shaped beam beam manufacturing pedestal and beam storage tensioning pedestal in the site; carries out the U-shaped beam steel bar binding and the installation of the prestressed steel bundle on the U-shaped beam mold frame, and hoists the U-shaped beam steel cage to the beam manufacturing pedestal through a hanger; after the U-shaped beam steel cage is positioned, the embedded part, the U-shaped beam inner mold and the support system are installed; the thin-wall mixed U-shaped beam structure is optimized; the first tensioning prestressed bundle is constructed; the beam body concrete is poured; the first tensioning prestressed bundle is released and cut; the two U-shaped beams are respectively hoisted to the beam storage tensioning pedestal by using a gantry crane; the second tensioning prestressed bundle is constructed; the hole is grouted and sealed; after the overall operation is completed, the quartz sand is discharged through the steel sand box sand discharge hole, so that the U-shaped beam is lowered to the concrete base of the beam storage tensioning pedestal. The present application comprehensively and systematically solves the problems of large waste of original technical resources and low production efficiency.

The invention discloses a modular electromechanical pipeline roof crossing protection device and a construction method, the modular electromechanical pipeline roof crossing protection device comprises a fixed base, a concrete structure floor and a roof layer, the fixed base is pre-buried in the concrete structure floor and the roof layer, and a water stop wing ring is arranged on the periphery of the fixed base; the protective outer cylinder is fixedly connected with the fixed base, the protective outer cylinder is provided with an outwards-turned flange edge, a valve is arranged in the middle of the protective outer cylinder, and the valve is connected with the side wall of the protective outer cylinder through a fastening assembly. The fireproof plugging module is arranged on the inner side wall of the fixed base; the outer side of the fixed base is fixedly connected with the heat preservation outer sleeve. The fireproof plugging module capable of being pulled, inserted and replaced is arranged, the excellent fireproof performance is achieved, the module is formed by compounding a ceramic fiber felt, an expanded graphite strip and fireproof glue or is composed of rock wool, fireproof mud and a fireproof bag according to different pipeline types, reliable fireproof plugging is ensured, and the chimney effect in a fire disaster is effectively prevented.

The utility model belongs to concrete bubble elimination device technical field, concretely is a kind of concrete vibrating bubble elimination device, including push box, push box one side is fixedly installed with installation box one, installation box one is fixedly installed with transmission assembly, four groups of structure identical lifting damping components are equipped in transmission assembly, and four groups lifting damping components pass through push box, the bottom end of lifting damping component is all fixedly connected with universal wheel, the one side of push box is fixedly installed with two groups of support, provide high frequency and low frequency vibrating by vibrating assembly one and vibrating assembly two respectively, high frequency vibrating can quickly discharge the bubble of concrete surface and shallow layer, make concrete internal structure more dense, low frequency vibrating can be in-depth to concrete deep layer, auxiliary exclusion deep bubble, make concrete fill template every corner, and the mutual cooperation of both, greatly improve the vibrating quality and uniformity of concrete.

The utility model relates to the field of building construction devices, in particular to a reinforced concrete floor negative reinforcement protective layer thickness control device which comprises a bottom plate, the lower end face of the bottom plate abuts against a concrete floor, a square pipe is arranged on the upper end face of one end of the bottom plate, a plurality of inserting holes are longitudinally and symmetrically formed in the square pipe, and the inserting holes are arranged in the square pipe. The multiple insertion holes are distributed at equal intervals along the arrangement path of the square pipe, insertion plates are installed in the insertion holes in a matched mode, and the length of the insertion plates is larger than the width of the square pipe; a first threaded hole is formed in the top of the square pipe, an adjusting end is installed in the first threaded hole, and the upper end face of the adjusting end is a horizontal plane. First rectangular grooves are symmetrically formed in the upper end face of the end, away from the square pipe, of the bottom plate, second rectangular grooves are symmetrically formed in the outer wall of the side, facing the first rectangular grooves, of the square pipe, and the first rectangular grooves and the second rectangular grooves are communicated with each other.

This invention discloses a seepage prevention method in karst depression water collection and reservoir construction projects, employing a combination of grouting curtain and underground river sealing measures. The method includes: 1) hydraulic parameter acquisition; 2) underground river slope calculation: based on hydraulic parameters and the difference between the underground river outlet and inlet velocities, the overall underground river slope is calculated using different methods; 3) determining the location of the upper grouting tunnel; 4) determining the underground river sealing location based on the slope; 5) calculating the grouting curtain height based on the slope; 6) constructing the grouting tunnel and sealing the underground river according to the location of the upper grouting tunnel and the underground river sealing location; and 7) grouting curtain construction. This invention improves the determination of key parameters during construction in karst depression water collection and reservoir construction projects, thereby increasing the accuracy and efficiency of seepage prevention construction and saving construction costs.

The invention relates to the technical field of road construction equipment, in particular to cement drainage pipe loading and unloading equipment for road construction, which is simple and convenient to operate, high in safety and capable of realizing automatic alignment installation. Comprising a chassis, a control system, walking wheels, a walking driving mechanism, a rotary driving motor, a driving gear, a large disc gear, a connecting frame, a rotary platform, a hydraulic cylinder, a swing rod, a mounting base, a telescopic mechanism and a clamping mechanism, the walking wheels are arranged on the lower portion of the chassis, and the walking driving mechanism is connected with the walking wheels and used for driving the chassis to move; the large disc gear is rotatably arranged on the chassis, the rotary driving motor is arranged on the upper portion of the chassis through the connecting frame, the driving gear is arranged on a rotary shaft of the rotary driving motor and connected with the large disc gear in a meshed mode, the rotary platform is arranged on the large disc gear, and an inclined face is arranged on the rotary platform. One end of the swing rod is hinged to the rotary platform, and the middle of the installation base is hinged to the other end of the swing rod.

The application discloses a snow-melting plate and drainage ditch assembly structure and a construction method thereof, and relates to the technical field of snow-melting plate and drainage ditch assembly structures.

The application discloses a kind of rail transit aluminum plate automatic installation equipment and its installation method, a kind of rail transit aluminum plate automatic installation equipment includes car body, wheel, storage mechanism, control mechanism, mechanical arm, suction mechanism and positioning mechanism, storage mechanism is tightly connected with car body, wheel is symmetrically arranged below car body, control mechanism is tightly connected with car body, mechanical arm is tightly connected with car body, mechanical arm is electrically connected with control mechanism, suction mechanism is tightly connected with mechanical arm, positioning mechanism is tightly connected with mechanical arm, positioning mechanism is electrically connected with control mechanism, installation method includes: aluminum plate cleaning;Aluminum plate pre-installation;Aluminum plate position adjustment;Aluminum plate fixation.

The utility model provides a waterproof coiled material laying machine which comprises a machine shell, connecting rods and a mounting plate, walking wheels are arranged at the bottom of the machine shell, a machine frame is arranged at the top of the machine shell, a rotating shaft is rotatably arranged on the machine frame, waterproof coiled materials are arranged on the rotating shaft in a sleeved mode, two connecting plates are symmetrically arranged on one side of the machine frame, and a guide roller is rotatably arranged between the two connecting plates. The number of the connecting rods is two, the two connecting rods penetrate through the machine shell and are vertically arranged on the machine shell in a sliding mode, an electric heating pipe is arranged between the ends, penetrating out of the machine shell, of the two connecting rods, the electric heating pipe is located under the guide pipe, a driving assembly is arranged in the machine shell, the mounting plate is arranged on the side wall of the machine shell, and a conveying groove allowing waterproof coiled materials to penetrate through is formed in the mounting plate. And a pasting assembly for pushing the waterproof roll to be pasted to the ground is further arranged on the mounting plate, and the problem that in the prior art, when the waterproof roll is heated, the heating efficiency of the side, facing the surface of a building, of the waterproof roll is low is solved.

This invention discloses an intelligent analysis method and system for the bottom support status of caissons based on correlation features, relating to the field of caisson construction monitoring technology. The method includes: acquiring strain time-series data of the target monitoring location at the bottom of the caisson during the drainage sinking stage; preprocessing the strain time-series data and classifying and labeling the support status, constructing labeled sample data, where the support status includes both voided and non-voided states; performing various correlation analyses on the labeled sample data to mine multiple correlation information between the sample data and the support status; constructing a classification prediction model for each correlation information, and training the classification prediction model using each correlation information; deploying the trained classification prediction models to the non-drainage sinking stage, and comprehensively judging the bottom support status of the caisson during the non-drainage sinking stage based on the prediction results of each classification prediction model. This invention can achieve accurate and efficient identification of the bottom support status of caissons during the non-drainage sinking stage.

The present application belongs to the technical field of water conservancy and hydropower engineering closure construction, and particularly relates to a kind of embankment closure method based on integral assembly type double ridge closure bottom protection structure.The present application precast and accurately throw the integral bottom protection structure formed by rigid connection of bottom protection section and double ridge section in dry season of a year before closure, with standardized reinforced gabion as basic unit, adopt double connection inside and outside to form continuous plate type whole, with high impact resistance and stone blocking foot capacity.Through particle size and impact distance calculation, throw test, GPS joint positioning to realize accurate underwater throwing.After bottom protection construction is completed, embankment pre-advance is implemented in dry season of next year, and large stone and reinforced gabion are continuously thrown in closure stage, which can improve the stability of throwing material, prevent embankment collapse, and realize safe and rapid closure.The present application can solve the problems of traditional dispersed bottom protection, such as easy loss, low precision, interference with flood discharge, etc., and greatly improve the safety and efficiency of closure under complex riverbed conditions.

The application relates to a TBM water conveying tunnel lining steel pipe installation and transportation equipment and a transportation and installation method, which comprises a track transportation system, a transfer system, a wheeled transportation system, an installation butt joint device and a temporary support type steel, wherein the track transportation system is arranged in a drill-and-blast tunnel section, the transfer system is arranged at the junction of the drill-and-blast tunnel section and a pipe piece tunnel section; the wheeled transportation system is arranged on the pipe; the installation butt joint device is arranged at the end of the lined section; the track transportation system and the transfer system share the same set of tracks at the intersection; the TBM water conveying tunnel lining steel pipe installation construction with an engineering quantity less than 1 km can be facilitated, the construction efficiency is improved, and the cost is reduced.

A track-passing pipe installation positioning and protection device, belonging to the field of tunnel engineering construction technology, includes an inverted trapezoidal shell with windows in the middle of the upper and lower surfaces. Several sets of movable track-passing pipe protection components are arranged along the length of the bottom center of the shell. Each set of track-passing pipe protection components includes two track-passing pipe positioning plates symmetrically arranged about the horizontal centerline of the shell. One end of the two positioning plates contacts each other, and the contact ends of the two positioning plates have symmetrically formed semi-circular openings to create track-passing pipe positioning ports. This invention can reliably and safely position and protect track-passing pipes, protect the exposed parts of the track-passing pipes, and precisely control the minimum spacing between track-passing pipes, thereby improving the installation quality of track-passing pipes, increasing construction efficiency, and ensuring the level of railway engineering construction.

This invention provides a reverse-lifting system suitable for high-pile wharf construction, including a support frame, a first beam assembly, a second beam assembly, and a formwork assembly. The support frame includes a first frame section and a second frame section connected together. The first frame section is set on the high-pile wharf, and the second frame section is set above the construction area of ​​the berthing component. The first beam assembly is set on the second frame section and has two sets of first reverse-lifting screws detachably mounted on it. Each set of first reverse-lifting screws is connected to a reverse-lifting bottom beam. The second beam assembly is set on the second frame section and has several second reverse-lifting screws detachably mounted on it. These several second reverse-lifting screws are connected to a bracket, which is connected to the reverse-lifting bottom beam. The formwork assembly is set on the bracket and used for casting the berthing component. This invention has a reliable structure, is convenient to construct, solves the technical bottlenecks of traditional processes, ensures the construction quality and efficiency of the berthing component, and meets the needs of modern high-pile wharf construction.

The utility model discloses a supporting and fixing device between steel structure columns, which belongs to the technical field of steel structure installation of housing construction projects and comprises a channel steel mechanism, a fixing mechanism and a fastening mechanism. The channel steel mechanism comprises an inter-column support fixing upper channel steel and an inter-column support fixing lower channel steel, the inter-column support fixing upper channel steel and the inter-column support fixing lower channel steel are connected through a fixing mechanism, and a fastening mechanism is installed in the inter-column support fixing lower channel steel in the channel steel mechanism. And through operation of the fastening mechanism, reinforcing and fixing of the inter-column supporting structure accessory are achieved.

The application discloses a kind of middle pressure pipeline through isolation joint vertical arrangement structure and fixed assembly, belong to middle pressure pipeline construction technical field.The middle pressure pipeline through isolation joint vertical arrangement structure and fixed assembly, by the hoop assembly is embraced in pipeline structure, make second piston be extruded and move up, make second piston move by the first piston movement of hydraulic drive, make first piston by connecting rod drive first locking block and limit block interlock, make the rotation direction of screw cylinder lock, when hoop assembly is locked in pipeline structure, make overall gravity move down, make first piston rod move down, then by the second piston rod movement of hydraulic drive, make second piston rod drive second locking block and aperture interlock, to bolt lock, prevent bolt from vibrating and loosening, to this can in hoop assembly assembly process, complete automatic locking screw cylinder, and the purpose of automatic locking bolt, to effectively play the effect of anti-disengagement, keep the firmness of pipeline installation.